| Acronym | Definition |
|---|
| HTI | Hizbut Tahrir Indonesia (political party) |
| HTI | Hutan Tanaman Industri (Indonesian: Industrial Forest Plantation) |
| HTI | Haiti (ISO Country code) |
| HTI | Hotel & Travel Index (Northstar Travel Media) |
| HTI | Human-Computer Interface |
| HTI | Health Training Institute (various locations) |
| HTI | Hand Tools Institute |
| HTI | Hutchison Telecommunications International Ltd. (Hong Kong) |
| HTI | High Tech Institute |
| HTI | Horizontal Technology Integration |
| HTI | Hospitality and Tourism Index (database) |
| HTI | Heat Transfer International (Kentwood, MI) |
| HTI | Hamilton Island, Queensland, Australia (Airport Code) |
| HTI | Hutchinson Technology Incorporated |
| HTI | Health Tourism Institute (Japan) |
| HTI | Home Technologies Integrator (course) |
| HTI | Hard Target Interdiction |
| HTI | Home Testing Institute |
| HTI | Human Technology Interface |
| HTI | Hostile Target Identification |